<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
</head>

<body sd-controller="hello">
    <input type="checkbox" sd-checked="checked">
    <span sd-text-oneway="hello | uppercase" sd-class="red:checked"></span>
</body>

</html>